The youngsters broke into the Chertsey theme park, which plans to take legal action against them, and climbed 200ft to the peak of Stealth, a ride which takes its passengers from 0-80mph in 1.9 seconds.

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Emergency services attended the scene at around 10.15pm on Sunday (April 16) after the group reached the top of the UK’s second highest rollercoaster.

A spokesperson for Merlin Entertainments, owner of Thorpe Park, confirmed legal action would be brought against those involved, calling the actions “irresponsible, foolish and potentially very dangerous”.

The royal visitors popped into The Global Academy, which aims to prepare students for careers in broadcast and digital media with vocational and academic training, on Thursday (April 20).

The royals , who are patrons of mental health charity Heads Together, were supporting the university technical college.

William, Kate and Harry saw students at the academy help produce Heart FM’s radio breakfast show, broadcast nationally from the school, with presenters Jamie Theakston and Emma Bunton.

The royal trio watched intently as students produced the show from a desk covered in buttons, switches, lights, as senior producers supervised their efforts.

The school sits on the Old Vinyl Factory site , and the royals were also treated to poetry from year 10 pupil Ash Chouhan, from Ruislip, as well as a short film produced by a student and a dance performance.

Gunpoint robbery

The suspect is believed to have been wielding a gun (Image: Google Maps)